Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Chidester, AR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
870-685 A CHDSARMARS1  9533 SOUTHWESTERN BELL 530      
870-685 1   9533 SOUTHWESTERN BELL 530      
870-685 2   9533 SOUTHWESTERN BELL 530      
870-685 3   516C AT&T CORP. 530   2011-03-25   
870-685 4   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530   2017-09-11   
870-685 7   7575 CENTURYLINK COMMUNICATIONS LLC 530   2015-04-22   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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